Company lists · Data refreshed September 2026

Top 25 Photonics companies worldwide

RevenueBase identified 2,944 photonics companies worldwide as of September 2026 and tracks 82,232 professional contacts across them, including 26,633 with verified work emails and 11,769 with mobile numbers. China is the largest market and Shenzhen the largest hub.

This list covers photonics companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 7, 2026. Country and city lists for photonics companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 7, 2026 86% judged on-target in blind review
2,944Companies
82,232Contacts tracked
26,633Verified emails
11,769Mobile numbers
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The 25 largest photonics companies worldwide

Ranked by team size
Top 25 of 2,944 photonics companies worldwide, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to photonics companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceOberkochen, GermanyHQ checked Sep 7, 202610001+6,840 contacts →

Indirect evidence

“ZEISS is an internationally leading technology enterprise operating in the fields of optics and optoelectronics.”

Source: RevenueBase Database · checked Sep 7, 2026
2Indirect evidenceTaipei, TaiwanHQ checked Sep 7, 202610001+3,445 contacts →

Indirect evidence

“LITEON Technology (2301.tw) was established in 1975.”

Source: RevenueBase Database · checked Sep 7, 2026
3Strong evidenceSan Jose, CA, United StatesHQ checked Sep 7, 202610001+2,257 contacts →

Strong evidence

“Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation…”

Source: RevenueBase Database · checked Sep 7, 2026
4Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 7, 20265,001-10,0002,117 contacts →

Indirect evidence

“Excelitas is the leading provider of advanced, life-enriching technologies that make a difference, serving global market leaders in the life sciences, advanced industrial…”

Source: RevenueBase Database · checked Sep 7, 2026
5Indirect evidenceLowell, MA, United StatesHQ checked Sep 7, 20261,001-5,0001,651 contacts →

Indirect evidence

“MACOM designs and manufactures RF, microwave, millimeter wave solutions and optoelectronics for Data Center, Telecommunication, Industrial and Aerospace and Defense applications.”

Source: RevenueBase Database · checked Sep 7, 2026
6Indirect evidenceMayfield Heights, OH, United StatesHQ checked Sep 7, 20261,001-5,0001,491 contacts →

Indirect evidence

“At Materion, we collaborate with our partners to identify megatrends, drive emerging technologies and advance scientific breakthroughs.”

Source: RevenueBase Database · checked Sep 7, 2026
7Strong evidenceOxford, MA, United StatesHQ checked Sep 7, 20261,001-5,0001,447 contacts →

Strong evidence

“IPG Photonics is the world leader in fiber laser technology, offering solutions for applications across a wide array of industries.”

Source: RevenueBase Database · checked Sep 7, 2026
8Strong evidenceNewton, NJ, United StatesHQ checked Sep 7, 20261,001-5,0001,348 contacts →

Strong evidence

“Thorlabs is a leading designer and manufacturer of photonics equipment for research, manufacturing, and biomedical applications.”

Source: RevenueBase Database · checked Sep 7, 2026
9Indirect evidenceTacoma, WA, United StatesHQ checked Sep 7, 202610001+1,227 contacts →

Indirect evidence

“Since its establishment in 1941 as Japan’s first specialty manufacturer of optical glass, HOYA has diversified into new business areas that exploit the potential of advanced…”

Source: RevenueBase Database · checked Sep 7, 2026
10Indirect evidenceChelmsford, United KingdomHQ checked Sep 7, 20261,001-5,000966 contacts →

Indirect evidence

“Chelmsford, UK | Grenoble, France | Seville, Spain Our innovations enable our customers innovations through access to state-of-the-art technologies, driving the next generation of…”

Source: RevenueBase Database · checked Sep 7, 2026
11Indirect evidenceJena, GermanyHQ checked Sep 7, 20261,001-5,000880 contacts →

Indirect evidence

“Jenoptik – MORE LIGHT.”

Source: RevenueBase Database · checked Sep 7, 2026
12Indirect evidenceGarching / Munich, GermanyHQ checked Sep 7, 20261,001-5,000823 contacts →

Indirect evidence

“With more than 75 years of experience, SUSS is one of the world's leading manufacturers of equipment and process solutions for microstructuring in the semiconductor industry and…”

Source: RevenueBase Database · checked Sep 7, 2026
13Indirect evidenceNorcross, GA, United StatesHQ checked Sep 7, 20261,001-5,000816 contacts →

Indirect evidence

“OFS is a world-leading innovator, manufacturer and provider of infrastructure solutions for communication networks and specialty fiber optic products.”

Source: RevenueBase Database · checked Sep 7, 2026
14Indirect evidenceIrvine, CA, United StatesHQ checked Sep 7, 20261,001-5,000745 contacts →

Indirect evidence

“Newport is a brand within the MKS Inc.”

Source: RevenueBase Database · checked Sep 7, 2026
15Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 7, 20261,001-5,000711 contacts →

Indirect evidence

“Cymer, an ASML company, is a market-leading provider of sophisticated light sources used by chipmakers around the globe to pattern advanced semiconductor chips.”

Source: RevenueBase Database · checked Sep 7, 2026
16Indirect evidenceHudson, NH, United StatesHQ checked Sep 7, 2026n/a654 contacts →

Indirect evidence

“GTAT is a producer of high-quality crystal materials for applications as diverse as advanced semiconductors, high-energy lasers, and aerospace/defense windows.”

Source: RevenueBase Database · checked Sep 7, 2026
17Indirect evidenceCampinas, BrazilHQ checked Sep 7, 2026501-1,000614 contacts →

Indirect evidence

“A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…”

Source: RevenueBase Database · checked Sep 7, 2026
18Indirect evidenceBarrington, NJ, United StatesHQ checked Sep 7, 20261,001-5,000592 contacts →

Indirect evidence

“Edmund Optics has been a leading supplier of precision optics and optical components since 1942, designing and manufacturing a wide array of multi-element optical lenses, lens…”

Source: RevenueBase Database · checked Sep 7, 2026
19Indirect evidenceSt Asaph, United KingdomHQ checked Sep 7, 202610001+559 contacts →

Indirect evidence

“In February 2025, Qioptiq was acquired by Teledyne Technologies Inc.”

Source: RevenueBase Database · checked Sep 7, 2026
20Indirect evidenceMisgav Industrial Zone, IsraelHQ checked Sep 7, 2026501-1,000515 contacts →

Indirect evidence

“SCD is a worldwide leader in development and manufacture of infrared detectors, video engines and laser diodes.”

Source: RevenueBase Database · checked Sep 7, 2026
21Indirect evidenceCamas, WA, United StatesHQ checked Sep 7, 2026501-1,000481 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 7, 2026
22Indirect evidenceSugar Land, TX, United StatesHQ checked Sep 7, 20261,001-5,000416 contacts →

Indirect evidence

“Applied Optoelectronics, Inc.| NASDAQ: AAOI AOI is a leading designer and manufacturer of fiber optic networking products.”

Source: RevenueBase Database · checked Sep 7, 2026
23Strong evidenceCastelldefels, SpainHQ checked Sep 7, 2026201-500408 contacts →

Strong evidence

“ICFO is a research center of excellence with research lines that encompass diverse areas in which photonics plays a decisive role.”

Source: RevenueBase Database · checked Sep 7, 2026
24Indirect evidenceWuhan, ChinaHQ checked Sep 7, 20261,001-5,000395 contacts →

Indirect evidence

“Yangtze Optical Fibre and Cable Joint Stock Limited Company (also known as 'YOFC') is established in Wuhan, Hubei Province in May 1988.”

Source: RevenueBase Database · checked Sep 7, 2026
25Indirect evidenceIlminster, United KingdomHQ checked Sep 7, 20261,001-5,000391 contacts →

Indirect evidence

“G&H is a world leader in optical designing, testing and manufacturing.”

Source: RevenueBase Database · checked Sep 7, 2026

Showing 25 of 2,944 photonics companies worldwide

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Photonics companies worldwide at a glance

As of Sep 7, 2026
32.4%Verified-email coverage
14.3%Mobile-number coverage
27.9Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · Shenzhen
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
900
11-50
943
51-200
637
201-500
234
501-1,000
80
1,001-5,000
99
5,001-10,000
12
10001+
26

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among photonics companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
22 countries, largest first: China, the United States, Germany, the United Kingdom, France, India, Canada, Japan, Taiwan, Italy and 12 more. Country and city lists for photonics companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “photonics companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names photonics companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among photonics companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 26,633 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph between September 7, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Photonics companies by location

24 lists · largest first

Every Photonics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names photonics companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many photonics companies are there worldwide?

RevenueBase identified 2,944 photonics companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Zeiss Group, headquartered in Oberkochen, tops this list with the largest team on record.

Which country has the most photonics companies?

China leads with 739 companies, followed by the United States (720) and Germany (275). Every photonics companies list by country and city is linked on this page.

Which city has the most photonics companies?

Shenzhen leads with 132 headquartered companies, followed by Singapore (48) and Wuhan (43).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 26,633 verified decision-maker contacts tracked across these 2,944 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 7, 2026 and September 14, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.